amd

Brand

8GB GDDR6

Memory

1792

Cores

224 GB/s

Bandwidth

AMD Radeon RX 6600

$329 Oct 2021 View Details

amd

Brand

24GB GDDR6

Memory

6144

Cores

960 GB/s

Bandwidth

AMD Radeon RX 7900 XTX

$999 Nov 2022 View Details

AMD Radeon RX 6600

8GB GDDR6 132W $329 Oct 2021

Radeon RX 6600

$329 • Oct 2021

Radeon RX 7900 XTX

$999 • Nov 2022

AMD Radeon RX 7900 XTX

24GB GDDR6 355W $999 Nov 2022

Specs Comparison

Specification	AMD Radeon RX 6600	AMD Radeon RX 7900 XTX
Memory Size	8 GB	24 GB
Memory Type	GDDR6	GDDR6
TDP	132 W	355 W
Core Clock	N/A	N/A
Boost Clock	2491 MHz	2498 MHz
Memory Bandwidth	224 GB/s	960 GB/s
Process Size	7nm	5nm
Architecture	RDNA 2.0	RDNA 3.0
Shading Units	1792	6144
RT Cores	28	96
TMUs	112	384
ROPs	64	192
Memory Bus	128-bit	384-bit
Memory Clock	1750 MHz	2500 MHz
Pixel Rate	159.4 GPixel/s	479.6 GPixel/s
Texture Rate	224 GTexel/s	960 GTexel/s
FP32 Performance	8.928 GFLOPS	61.39 GFLOPS
L2 Cache	2.00 MB	6.00 MB
Die Size	237 mm²	529 mm²
Transistors	11060 Million	57700 Million
Required PSU	300 W	750 W
Power Connectors	1x 8-pin	2x 8-pin
Bus Interface	PCIe 4.0 x8	PCIe 4.0 x16
DirectX	12.2	12.2
Vulkan	1.3	1.3
OpenGL	4.6	4.6
Foundry	TSMC	TSMC

Comparison in Synthetic Benchmarks

3DMark Time Spy

Synthetic DirectX 12 benchmark that measures GPU performance in gaming workloads

Graphics Score

7173

AMD Radeon RX 6600

29863 (+316%)

AMD Radeon RX 7900 XTX

Geekbench 6

Cross-platform benchmark that measures GPU compute performance using OpenCL and Metal APIs

OpenCL Score

58048

AMD Radeon RX 6600

224686 (+287%)

AMD Radeon RX 7900 XTX

GFXBench 5.0

Cross-platform 3D graphics benchmark suite that measures GPU performance across different APIs

Aztec Ruins High (FPS)

96.4 FPS

AMD Radeon RX 6600

405.4 FPS (+321%)

AMD Radeon RX 7900 XTX

PassMark G2D

Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations

G2D Mark

15115

AMD Radeon RX 6600

31100 (+106%)

AMD Radeon RX 7900 XTX

Game Benchmarks Comparison (306 benchmarks)

Split Fiction

8.7 2025 • Action, Adventure • Hazelight Studios

1080p

| ultra

Radeon RX 7900 XTX (+200%)

AVG 207 FPS

MIN 181 FPS

Radeon RX 6600

AVG 69 FPS

MIN 59 FPS

1440p

| ultra

Radeon RX 7900 XTX (+239%)

AVG 166 FPS

MIN 140 FPS

Radeon RX 6600

AVG 49 FPS

MIN 41 FPS

2160p

| ultra

Radeon RX 7900 XTX (+282%)

AVG 107 FPS

MIN 90 FPS

Radeon RX 6600

AVG 28 FPS

MIN 24 FPS

Winner

Loser

Marvel's Spider-Man 2

7.9 2025 • Action, Adventure • Insomniac Games, Nixxes Software

1080p

| ultra

Radeon RX 7900 XTX (+216%)

AVG 142 FPS

MIN 120 FPS

Radeon RX 6600

AVG 45 FPS

MIN 34 FPS

1440p

| ultra

Radeon RX 7900 XTX (+352%)

AVG 122 FPS

MIN 108 FPS

Radeon RX 6600

AVG 27 FPS

MIN 23 FPS

2160p

| ultra

Radeon RX 7900 XTX (+453%)

AVG 83 FPS

MIN 74 FPS

Radeon RX 6600

AVG 15 FPS

MIN 12 FPS

1080p

| ultra

| RTX

Radeon RX 7900 XTX (+383%)

AVG 58 FPS

MIN 49 FPS

Radeon RX 6600

AVG 12 FPS

MIN 9 FPS

1440p

| ultra

| RTX

Radeon RX 7900 XTX (+500%)

AVG 48 FPS

MIN 41 FPS

Radeon RX 6600

AVG 8 FPS

MIN 5 FPS

2160p

| ultra

| RTX

Radeon RX 7900 XTX (+1000%)

AVG 33 FPS

MIN 27 FPS

Radeon RX 6600

AVG 3 FPS

MIN 2 FPS

Winner

Loser

Sniper Elite Resistance

8.5 2025 • Action, Adventure • Rebellion

1080p

| ultra

Radeon RX 7900 XTX (+174%)

AVG 241 FPS

MIN 215 FPS

Radeon RX 6600

AVG 88 FPS

MIN 73 FPS

1440p

| ultra

Radeon RX 7900 XTX (+214%)

AVG 198 FPS

MIN 175 FPS

Radeon RX 6600

AVG 63 FPS

MIN 54 FPS

2160p

| ultra

Radeon RX 7900 XTX (+285%)

AVG 131 FPS

MIN 116 FPS

Radeon RX 6600

AVG 34 FPS

MIN 28 FPS

Winner

Loser

FINAL FANTASY VII REBIRTH

8.1 2025 • Action, Adventure, RPG • Square Enix

1080p

| ultra

Radeon RX 7900 XTX (+237%)

AVG 128 FPS

MIN 111 FPS

Radeon RX 6600

AVG 38 FPS

MIN 33 FPS

1440p

| ultra

Radeon RX 7900 XTX (+252%)

AVG 109 FPS

MIN 93 FPS

Radeon RX 6600

AVG 31 FPS

MIN 26 FPS

2160p

| ultra

Radeon RX 7900 XTX (+322%)

AVG 76 FPS

MIN 65 FPS

Radeon RX 6600

AVG 18 FPS

MIN 15 FPS

Winner

Loser

Assetto Corsa EVO

6 2025 • Racing, Simulation, Sports, Early Access • KUNOS Simulazioni

1080p

| ultra

Radeon RX 7900 XTX (+500%)

AVG 72 FPS

MIN 63 FPS

Radeon RX 6600

AVG 12 FPS

MIN 9 FPS

1440p

| ultra

Radeon RX 7900 XTX (+560%)

AVG 66 FPS

MIN 58 FPS

Radeon RX 6600

AVG 10 FPS

MIN 8 FPS

2160p

| ultra

Radeon RX 7900 XTX (+513%)

AVG 49 FPS

MIN 40 FPS

Radeon RX 6600

AVG 8 FPS

MIN 7 FPS

Winner

Loser

DYNASTY WARRIORS ORIGINS

8.6 2025 • Action, RPG, Strategy • KOEI TECMO GAMES CO., LTD.

1080p

| ultra

Radeon RX 7900 XTX (+186%)

AVG 240 FPS

MIN 234 FPS

Radeon RX 6600

AVG 84 FPS

MIN 75 FPS

1440p

| ultra

Radeon RX 7900 XTX (+280%)

AVG 205 FPS

MIN 185 FPS

Radeon RX 6600

AVG 54 FPS

MIN 44 FPS

2160p

| ultra

Radeon RX 7900 XTX (+307%)

AVG 118 FPS

MIN 106 FPS

Radeon RX 6600

AVG 29 FPS

MIN 26 FPS

Winner

Loser

No more benchmarks available for this comparison

AMD Radeon RX 7900 XTX Wins!

Based on 309 benchmarks across 87 games

Avg FPS

Radeon RX 6600

+249%

116

Avg FPS

Radeon RX 7900 XTX